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Flashcards in enery resources Deck (18)
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1

What are the 3 energy types

Fossil fuels
*Nuclear energy
*Alternative energy

2

3Forms of fossil fuels

Coal oil
Natural gas

3

Define fossil fuels

Hydrocarbons created from the natural decay of organic material

4

In the usa fossil fuels acct for what % of energy consumption

85%

5

List alternative (renewable)energy sources

Solar
*Wind geothermal
*biomass
*Hydroelectric

6

Coal comes from

Algal remains (marine)

7

The most abundant gas

Methane (ch4)

8

Natural gas is a by product of what?

Thermal maturation of oil and coal

9

Advantages of fossil fuels

*Low cost *capacity to generate enormous amounts of energy
*Global availability
*Existing infastructure

10

Define resources

Includes all deposites on earth. (Known & undiscovered, economical & aren't economical yet

11

What are reserves?

Known quantity of resources that can be extracted economically by todays standards

12

What is hydraulic fracturings?

Technique used to extract oil/natural gasses from tight formations

13

What is peat?

Precursor to coal

14

What are the 4 coal ranks

Peat
Lignite bituminous anthracite

15

Define peat

Partially decayed vegetation matter.
×Precursor to coal
*Forms in areas with high water Cintent.

16

What is lignite

It forms when peat is exposed to increased pressure &tenperatures

17

what is bituminous

Soft coal
×Usrd in usa to generate electric
-Sedimentary origin

18

What is anthracite

Hard coal.
-Requires high pressure &temperatures to develop in geologic layers (metamorphic orgin)
-Highest energy value